英语词源
- oolite (n.)
- "rock consisting of fine grains of carbonate of lime," 1785, from Modern Latin oolites, from oo-, comb. form of Greek oon "egg" (cognate with Old English æg, see egg (n.)) + lithos "stone" (see litho-). So called because the rock resembles the roe of fish.
权威例句
- 1. Oolite lime sand packs naturally with 40 % porosity because the particles are essentially spheroids.
- 自然堆积的灰质鲕粒砂具有40%的孔隙度,因为其颗粒其本上都是球状的.
- 2. The thin bedded siliceous - rocks include chert and depositional quartz with textures of oolite and pebble.
- 矽质岩包括燧石和沈积石英岩,呈薄层状产出,沈积石英岩具鲕状、砾状结构.